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  1. #51
    1000+ Posts Frans's Avatar
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    Second time lucky!! The head passed the pressure test the second time around. Eventually, after some thinking, I pressed the insert in and smeared the front part of the insert with Loctite thread sealant and the back part with the same epoxy so that after I milled the surface where the exhaust gasket sit it looks all nice and the same. I did all the cut backs and tapers of the valve guides with my "special tools" as discussed elsewhere.

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    Tonight I did a dry assembly to check clearances and nothing was binding so that was a good one. The next step will be to check and set valve spring pressures and when that is done I can start the final assembly of the motor.

    Regards
    Frans.
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  2. #52
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    Hi Frans,
    The work is very good as usual. But, please check which direction the upper control arm pivot bolt exits the chassis from. it normally comes out towards the back of the suspension, so the nut is on the front.

    Nice work shoes !!!

    Ray
    Ray geckoeng

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  3. #53
    1000+ Posts Frans's Avatar
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    Hi Ray,

    I agree on the R8/R10 but the Matra does not have the access hole in the floorboard.

    Regards.
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  4. #54
    1000+ Posts Frans's Avatar
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    The engine has come together a fair bit. I eventually found some ideal valve springs and assembled the head. There are only a few things left to do now and then the gearbox will get its turn.

    After plenty emails back and forth we established that the sunroof in this car was done aftermarket. That means that we will close it up to get it back to original. Apparently only about 20 of the 222 Jet 6s had a sunroof. That was only supplied when a buyer had a special request. They had issues that the rear window popped out at speed if the sunroof was open.

    Attached is a few pictures of the engine progress. It shows the the valve spring tensions been set and how I machined the inside of the valve guide tower to fit the new springs, and then to see if there is no coil bind at max lift and then the polished rocker cover.

    Regards
    Frans
    Attached Thumbnails Attached Thumbnails Matra Jet 6 restoration.-img_0470.jpg   Matra Jet 6 restoration.-img_0471.jpg   Matra Jet 6 restoration.-img_0477.jpg   Matra Jet 6 restoration.-img_0481.jpg   Matra Jet 6 restoration.-img_0485.jpg   Matra Jet 6 restoration.-img_0489.jpg  

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  5. #55
    1000+ Posts Frans's Avatar
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    Doing the rear hubs and caliper holders led me into a small manufacturing excercise. The left rear took a bad knock at some stage that bent the wishbones and part of the chassis. I reckon that at about the same time they drove the car with that damage. The wheel and wheel bearing combination was at such an angle that the caliper holder got worn away. It looks like there were some glowing hot metal the way it ground the bracket. Luckily it was part R8 holder so I could make an easy plan.
    The pics show the process to remanufacture the bracket from a holder.

    Frans.
    Attached Thumbnails Attached Thumbnails Matra Jet 6 restoration.-img_0442.jpg   Matra Jet 6 restoration.-img_0443.jpg   Matra Jet 6 restoration.-img_0446.jpg   Matra Jet 6 restoration.-img_0452.jpg   Matra Jet 6 restoration.-img_0453.jpg   Matra Jet 6 restoration.-img_0457.jpg  

    Matra Jet 6 restoration.-img_0458.jpg  
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  6. #56
    1000+ Posts Frans's Avatar
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    The last of the rear suspension and hubs are now complete and assembled. If I get a good day in this weekend the chassis could be back on its wheels. The pics show a bit of the before and after of the rear hubs.

    The rear suspension was a bit of hard work. It uses the same rubber bushes as the front on the wishbones(the big ones) Only at the front there are 4 big bushes. At the rear there are 16. I see myself as a bush specialist now!

    Frans.
    Attached Thumbnails Attached Thumbnails Matra Jet 6 restoration.-img_0431.jpg   Matra Jet 6 restoration.-img_0436.jpg   Matra Jet 6 restoration.-img_0507.jpg   Matra Jet 6 restoration.-img_0506.jpg   Matra Jet 6 restoration.-img_0512.jpg  
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  7. #57
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    Quote Originally Posted by Frans View Post
    The last of the rear suspension and hubs are now complete and assembled. If I get a good day in this weekend the chassis could be back on its wheels. The pics show a bit of the before and after of the rear hubs.

    The rear suspension was a bit of hard work. It uses the same rubber bushes as the front on the wishbones(the big ones) Only at the front there are 4 big bushes. At the rear there are 16. I see myself as a bush specialist now!

    Frans.
    May I come and have a look in early November please?
    JohnW

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  8. #58
    1000+ Posts Frans's Avatar
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    John, You are most welcome but you will have to put at least a half day aside for that! Please keep me up to date

    I think I have come to the end of the engine build. It is as good as I can get it. Don't shoot me for the aircleaners, they are just there for dust covers before the engine goes into storage and the gearbox gets its turn.

    Regards
    Frans.
    Attached Thumbnails Attached Thumbnails Matra Jet 6 restoration.-img_0539.jpg   Matra Jet 6 restoration.-img_0540.jpg   Matra Jet 6 restoration.-img_0543.jpg  
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  9. #59
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    Quote Originally Posted by Frans View Post
    <snip>
    the gearbox gets its turn.

    <snip>.
    Now that is a project in which I am intensely interested. If you email me closer to the time (not the A.F. function but my private email which you know), then I have an Estafette parts book which gives the Renault parts numbers (which, stupidly, Matra ignored & allocated their own numbers for the same parts). The Renault #s will be more useful when trying to chase bits.

    cheers. Peter

  10. #60
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    Quote Originally Posted by Frans View Post
    John, You are most welcome but you will have to put at least a half day aside for that! Please keep me up to date

    I think I have come to the end of the engine build. It is as good as I can get it. Don't shoot me for the aircleaners, they are just there for dust covers before the engine goes into storage and the gearbox gets its turn.

    Regards
    Frans.
    I'll make half a day if you have it too! That will make up for the low frequency of visitors from the Big Island.

    I reckon second week of November, maybe third. I'll be in touch closer to the time.

    Cheers

    John
    JohnW

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  11. #61
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    Perhaps I will be allowed to come and have another look

  12. #62
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    Quote Originally Posted by kiwia110 View Post
    Perhaps I will be allowed to come and have another look
    Go when John goes & have a party.

    cheers! Peter

  13. #63
    1000+ Posts Frans's Avatar
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    There has been a slow transition from the race car to the Matra. I made a start on the Matra gearbox and got as far as stripping it.

    The general condition looks fine although there is a lot of dirt at the bottom. I wouldn't say that it is abnormal for that many years. I have noticed that the guys before me attempted something on the box although only on the outside. There are a few 1/4" WW galvanised gutterbolts that is replacing the M7s etc. but internally it is all ok. I can not see traces of previous work inside the box. (just as well).

    It is a weird looking arrangement they have and I haven't looked into it yet. The spigot input shaft that comes from the engine (clutch) is a long thin shaft that runs inside the cluster shaft. It goes through the centre of the pinion and runs through to the back of the box. The gears are then selected and the power is transmitted to the pinion. So you have the engine power running through the middle (thin long shaft) and then the power to the wheels (pinion) back over the same line.

    By looking at it I would say that the weak spot will be the long thin shaft, but then again I think of how thin the Type 330 spigot shaft is and that never breaks.

    It will take a while to clean everything and I will post again.

    regards,
    Frans.

    Everything is so slow tonight that I can't upload a picture, will do that tomorrow.
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  14. #64
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    Quote Originally Posted by Frans View Post
    There has been a slow transition from the race car to the Matra. I made a start on the Matra gearbox and got as far as stripping it.

    The general condition looks fine although there is a lot of dirt at the bottom. I wouldn't say that it is abnormal for that many years. I have noticed that the guys before me attempted something on the box although only on the outside. There are a few 1/4" WW galvanised gutterbolts that is replacing the M7s etc. but internally it is all ok. I can not see traces of previous work inside the box. (just as well).

    It is a weird looking arrangement they have and I haven't looked into it yet. The spigot input shaft that comes from the engine (clutch) is a long thin shaft that runs inside the cluster shaft. It goes through the centre of the pinion and runs through to the back of the box. The gears are then selected and the power is transmitted to the pinion. So you have the engine power running through the middle (thin long shaft) and then the power to the wheels (pinion) back over the same line.

    By looking at it I would say that the weak spot will be the long thin shaft, but then again I think of how thin the Type 330 spigot shaft is and that never breaks.

    It will take a while to clean everything and I will post again.

    regards,
    Frans.

    Everything is so slow tonight that I can't upload a picture, will do that tomorrow.
    My understanding is that it is a very strong box.

    I also gather that the input shaft arrangement was intended to lower the height of the engine in the donor Estafette.

    I'm about to have my Renault mechanic start a transaxle rebuild on my Djet (oil ate synchro brass) & I'll swap notes with you at some stage. If you join Club Djet, they sell a kit with every seal in it.

    cheers! Peter

  15. #65
    1000+ Posts Frans's Avatar
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    The pictures are now attached.

    Frans.
    Attached Thumbnails Attached Thumbnails Matra Jet 6 restoration.-img_0572.jpg   Matra Jet 6 restoration.-img_0573.jpg   Matra Jet 6 restoration.-img_0574.jpg   Matra Jet 6 restoration.-img_0576.jpg   Matra Jet 6 restoration.-img_0577.jpg   Matra Jet 6 restoration.-img_0579.jpg  

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  16. #66
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    The shafts not handling much torque here ,although it douse look quite thin and long ,interesting that the selector comes out the side of the box ,must make for an interesting linkage in the d jet ,always watching out for your posts keep up the good work pugs

  17. #67
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    [QUOTE=pugwash;1189223]
    <snip>
    ,interesting that the selector comes out the side of the box ,must make for an interesting linkage in the d jet ,<snip>QUOTE]

    Actually it is coming out at the top. But, yes, the Djet/Jet linkage is indeed involved. The chassis is a backbone one (A110 like) & the linkage basically goes down the left side then crosses over behind the engine & then goes down the right side of the boite to operate the linkage on the top. Lots of pivots & rods & joints. Works ok except for an awkward shift into second. cheers! Peter

  18. #68
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    Quote Originally Posted by Frans View Post
    There has been a slow transition from the race car to the Matra. I made a start on the Matra gearbox and got as far as stripping it.

    The general condition looks fine although there is a lot of dirt at the bottom. I wouldn't say that it is abnormal for that many years. I have noticed that the guys before me attempted something on the box although only on the outside. There are a few 1/4" WW galvanised gutterbolts that is replacing the M7s etc. but internally it is all ok. I can not see traces of previous work inside the box. (just as well).

    It is a weird looking arrangement they have and I haven't looked into it yet. The spigot input shaft that comes from the engine (clutch) is a long thin shaft that runs inside the cluster shaft. It goes through the centre of the pinion and runs through to the back of the box. The gears are then selected and the power is transmitted to the pinion. So you have the engine power running through the middle (thin long shaft) and then the power to the wheels (pinion) back over the same line.

    By looking at it I would say that the weak spot will be the long thin shaft, but then again I think of how thin the Type 330 spigot shaft is and that never breaks.

    It will take a while to clean everything and I will post again.

    regards,
    Frans.

    Everything is so slow tonight that I can't upload a picture, will do that tomorrow.
    Fascinating and thanks. I'm still due in Auckland near mid-November for an inspection!

    Cheers
    JohnW

    Renault 4CV 1951
    Renault R8 1965
    Renault Scenic 2005 (wife's)
    Renault Scenic 2007 (mine)
    Renault Scenic 2006 (daughter's)
    CitroŽn CX Pallas 1980

    National Co-ordinator, Renault 4CV Register of Australia

  19. #69
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    Quote Originally Posted by JohnW View Post
    Fascinating and thanks. I'm still due in Auckland near mid-November for an inspection!

    Cheers
    I'm looking forward to it!
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  20. #70
    1000+ Posts Frans's Avatar
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    World Famous in NZ

    I would never have thought that a project of mine/ours would be in a high quality glossy paper magazine! Well, there we have it. Now I'm looking forward to the full article and road test once the car is completed.

    Regards

    Frans
    Attached Thumbnails Attached Thumbnails Matra Jet 6 restoration.-matraarticle1.jpg   Matra Jet 6 restoration.-matraarticle2.jpg  
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  21. #71
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    Hi Frans, that's fantastic, must make you both so proud. I can't wait to see the finished product. I'm sure it will be worth everything you put into it (time, sweat and $$$).
    By the way, weren't you busy building up a R8 for your son, some time back? Did you ever complete it? I'm asking because Rhys is looking for a R8 body shell and I thought about the one you have.
    Please keep us informed of the Djet progress, and of course the R8G race reports.

    Regards, Henry

  22. #72
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    Progress at last! The Matra is on wheels again and ready to get the sunroof closed up again. Then it will be off to the spray painters and hope fully return in a concourse paint job.

    I have spent a bit more time on the gearbox selector input shaft. There are talks on Youtube that the gearshift is poor. I then noticed that on our car the there isn't much of a gate "feeling" when selecting reverse. It can be selected at random without even knowing it. With the box opened I started looking into it and found the problem. There is a spring under the ball of the shaft that has to compress when reverse is selected. This spring is very soft. I couldn't tell if it was factory fitted or not but I put a grinder to it and removed the yoke where the gear lever connects and started experimenting with different spring tensions. I eventually settled for a spring that used to be the inner valvespring of a car. There is now a clear "jump" when the lever is moved over into the reverse position. I'm happy and I will follow this through to make sure that we have a good gear selection. It isn't nice to drive a car if it is hard work to change gears.

    The radiator looks like it is the same as the ones used in the A110.

    Head lights are in a excellent condition.

    Frans
    Attached Thumbnails Attached Thumbnails Matra Jet 6 restoration.-img_0373.jpg   Matra Jet 6 restoration.-img_0376.jpg   Matra Jet 6 restoration.-img_0379.jpg  
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  23. #73
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    I am really enjoying this. Thanks for posting!

    Via the aussiefrogs App

  24. #74
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    Nice Frans. I won't make the obvious joke about the wheels....

    Happy New Year and see you in July!

    John
    JohnW

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    Renault R8 1965
    Renault Scenic 2005 (wife's)
    Renault Scenic 2007 (mine)
    Renault Scenic 2006 (daughter's)
    CitroŽn CX Pallas 1980

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  25. #75
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    Quote Originally Posted by Frans View Post
    World Famous in NZ

    I would never have thought that a project of mine/ours would be in a high quality glossy paper magazine! Well, there we have it. Now I'm looking forward to the full article and road test once the car is completed.

    Regards

    Frans

    Hi Frans

    You are not looking forward to the full article and road test half as much as I am!

    Tony
    1999 Peugeot 406 V6 Coupe (Manual)
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    1930 Durant 614 coupe (Some American quality among the froggie taxis in my shed)
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